NEET 2014 Chemistry question

Which of the following will be most stable diazonium salt ?

(1)
(2)Correct
(3)
(4)

Answer: (2)

Solution

Aryl diazonium salts are relatively stable (below 5 C in solution) because the positive charge on the diazonium group is delocalised into the benzene ring by resonance. In alkyl diazonium salts (options 1, 3) there is no such delocalisation, so they decompose very

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Question ID VK-091551